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Finding the Fourth Proportional to 262,336.56, 393,462.90 and 93,825.42

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Solution

The fourth proportional to 262,336.56, 393,462.90 and 93,825.42 is: 140,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,336.56 : 393,462.90 = 93,825.42 : x
  2. Step 2: Convert to fraction form
    262,336.56/393,462.90 = 93,825.42/x
  3. Step 3: Cross multiply
    262,336.56x = 393,462.90 × 93,825.42
  4. Step 4: Simplify right side
    262,336.56x = 36,916,821,846.92
  5. Step 5: Solve for x
    x = 36,916,821,846.92/262,336.56
  6. Step 6: Final answer
    x = 140,723.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.